how far down should i put the plants in the 11-plant system?
 

I have several questions i woule like to ask.
how far down should i put the plants in the 11-plant system?

what interval should the timer be set for water to flow and the light?

how much epson salt and calcium should be put in the water? (per gallon?)

thanks alot!!

halfway

15 minutes on, 15 minutes off

calcium nitrate - 1 teaspoon per gallon
epson salt - 1/4 teaspoon per gallon